title: Fast determination of pepsin activity in a colored radial diffusion test at pH optimum.
mesh_terms: D000818:Animals; D000880:Anthraquinones; D002364:Caseins; D004058:Diffusion; D005753:Gastric Mucosa / Q000201:enzymology; D006863:Hydrogen-Ion Concentration; D010434:Pepsin A / Q000032:analysis*; D013552:Swine; D013696:Temperature; D013997:Time Factors
chemical_list: D000880:Anthraquinones; D002364:Caseins; C026018:azocasein; D010434:Pepsin A; C024758:Remazol Brilliant Blue R